<template>
  <div>
    <div class="search">
      <input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音" />
    </div>
    <div class="search-content" ref="search" v-show="keyword">
      <ul>
        <li class="search-item" v-for="item of list" :key="item.id">{{item.name}}</li>
        <li v-show="showNotFind">没有找到数据</li>
      </ul>
    </div>
  </div>
</template>


<script>
import Bscroll from "better-scroll";


export default {
  props: {
    cities: Object
  },
  data() {
    return {
      list: [],
      keyword: ""
    };
  },
  created() {},
  mounted() {
    this.scroll = new Bscroll(this.$refs.search);
  },
  methods: {},
  watch: {
    keyword() {
      if (this.timer) {
        clearTimeout(this.timer);
      }
      this.timer = setTimeout(() => {
        const arr = [];
        for (let i in this.cities) {
          this.cities[i].forEach(val => {
            if (
              val.spell.indexOf(this.keyword) > -1 ||
              val.name.indexOf(this.keyword) > -1
            ) {
              arr.push(val);
            }
          });
        }
        this.list = arr;
      }, 100);
    }
  },
  computed: {
    showNotFind() {
      return this.list.length == 0;
    }
  }
};
</script>


<style lang="stylus" scoped>
.search {
  height: 0.72rem;
  padding: 0 0.1rem;
  background: #94c7f3;


  .search-input {
    margin-top: 3px;
    box-sizing: border-box;
    width: 100%;
    height: 0.62rem;
    padding: 0 0.1rem;
    line-height: 0.62rem;
    text-align: center;
    border-radius: 0.06rem;
    color: #666;
  }
}


.search-content {
  z-index: 1;
  overflow: hidden;
  position: absolute;
  top: 1.58rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;


  .search-item {
    line-height: 0.62rem;
    padding-left: 0.2rem;
    background: #fff;
    color: #666;
  }
}
</style>
